| 离心-温度复合试验箱温度精密控制方法 |
| Centrifugal-temperature Composite Chamber Temperature Precision Control Method |
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| 中文摘要: |
| 研究用于加速度计计量校准的离心-温度复合试验箱地面温度控制方法。首先提出实现试验箱高低温环境的温控系统设计方案，进而针对气体温度大惯性、大延迟的特点，提出将预测PI控制方法和串级控制相结合的新型预测PI-PID串级控制技术应用于离心-温度复合试验箱的温度控制，它既克服了单纯PID鲁棒性差的特点，又克服单纯预测PI控制由于单层结构而抗二次干扰差的问题，两者的结合提高了系统控制性能，克服了纯滞后对系统的不良影响。仿真结果表明：预测PI-PID串级控制系统具有较好的鲁棒性及良好的调节性能，其总体性能优于单纯PID控制和传统PID-PI串级控制系统。 |
| 英文摘要: |
| A temperature control method is designed for centrifugal-temperature composite chamber for calibration of accelerometers. A design scheme is proposed for the temperature control system at first. And then, aiming at gas temperature large inertia and large delay characteristics, a Predictive PI-PID cascade control method is proposed that Predictive PI control and cascade control method are combined for the temperature control of the centrifugal-temperature composite chamber. It overcomes the poor robustness of simple PID and the adverse effects of pure delay system. The results show that: predictive PI-PID cascade control system is robust and has good regulation performance, and the performance is better than the PID and traditional PID-PI Cascade Control System. |
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| 中文关键词: 离心-温度复合试验箱 气体温度 预测PI-PID控制 |
| 英文关键词:centrifugal-temperature composite chamber gas temperature Predictive PI-PID cascade control |
| 基金项目: |
| DOI：10.11823/j.issn.1674-5795.2015.02.04 |
| 引用本文：李颖奇,孟晓风,董雪明.离心-温度复合试验箱温度精密控制方法[J].计测技术,2015,35(2):. |
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